Behavioral task
behavioral1
Sample
2024-03-08_8781136e01e27e3d01df7d3134e9fe9f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-08_8781136e01e27e3d01df7d3134e9fe9f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-08_8781136e01e27e3d01df7d3134e9fe9f_cryptolocker
-
Size
118KB
-
MD5
8781136e01e27e3d01df7d3134e9fe9f
-
SHA1
e4f3eb033bc1e92f5655d609f78031fa3deaf70f
-
SHA256
1fa7a982edab7dcb57f4bc5552e991e0358632b53551d612c68793287bec510f
-
SHA512
cb2878ec60d2efe2094cd18591902548f1963ed3a302a0174cbcb61d44f451b3a5c648c8bd8d83122edd092e5f1b80c73a729a1d0fdb5c206d2eac1be1a3ba9a
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01Qat3:z6a+CdOOtEvwDpjczf
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-08_8781136e01e27e3d01df7d3134e9fe9f_cryptolocker
Files
-
2024-03-08_8781136e01e27e3d01df7d3134e9fe9f_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE